for every nondecreasing sequence \((A_{n})_{n}\)  of sets in \(\mathcal {A}\) . See
[1]}, Proposition 9.5, p. 111 and the comment at page 115. Under the
same hypotheses, \(h\in {\mathcal {N}}_{p}\)  if and only if
\(h=0\text{\quad }\mu \text{-}a.e.,\) 
